Profichip VPC3+C - Status Register

ASIC Interface 5
5.2 Status Register
The Status Register shows the current VPC3+C status and can be read
only.
Bit Position
Address
7 6 5 4 3 2 1 0
Designation
WD_State DP_State
04H
(Intel)
1 0 1 0
Reserved Diag_Flag Reserved Offline/ Passive_Idle
Status-Reg
7..0
See below
for coding
Bit Position
Address
15 14 13 12 11 10 9 8
Designation
VPC3+ Release Baud Rate
05H
(Intel)
3 2 1 0 3 2 1 0
Status-Reg
15..8
See below
for coding
Status Register,Low-Byte, Address 04H (Intel):
bit 7,6
WD_State 1..0: State of the Watchdog State Machine
00 = BAUD_SEARCH state
01 = BAUD_CONTROL state
10 = DP_CONTROL state
11 = Not possible
bit 5,4
DP_State 1..0: State of the DP State Machine
00 = WAIT-PRM state
01 = WAIT-CFG state
10 = DATA-EXCH state
11 = Not possible
bit 3
Reserved
bit 2
Diag_Flag: Status of the Diagnosis-Buffer
0 = The Diagnosis-Buffer had been fetched by the DP-Master.
1 = The Diagnosis-Buffer had not been fetched by the DP-Master yet.
bit 1
Reserved
bit 0
Offline/Passive-Idle: Offline-/Passive_Idle state
0 = VPC3+C is in Offline.
1 = VPC3+C is in Passive_Idle.
Figure 5-5: Status Register, Low-Byte
VPC3+C User Manual
Revision 1.03 25
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